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Residence of the polar bear
The polar bear only lives in the remote Arctic, there is very frigid, cover the ice and snow everywhere. So could see polar bear only in Canada , Alaska , U.S.A. , cold bank archipelago , Russia and Greenland of Denmark of Norway.
Health of the polar bear
An adult weight of polar bear is nearly 650 kilograms, the body is nearly three metres long. Covered with the thick and dense white hair all over besides the nose and foot cushion. Their epidermis has a layer of fat, can keep out the cold .
The method that the polar bear moves on the land is very special: They can advance by means of skating , can use the method to ski , the foot acted as the sled in the past, by promoting the body quickly. They when swimming , set aside water by way of dog's son type the moment , is it regard as rudder is it spend to come behind to tow quickly, and can also stay in water for a long time .
Food of the polar bear
The staple food of the polar bear is a seal, usually only eat their fat layer and intestines. But the polar bear is a saprophagous animal , so eat the remains of the walrus , beluga and Arctic whale. By summer, they are stranded on the land, regard birds , bird's egg and plant as the grain .